The DB0418HW6 from Narda-MITEQ is a RF Mixer with RF Frequency 4000 to 18000 MHz, LO Frequency 4000 to 18000 MHz, IF Frequency 0 to 2000 MHz, Conversion Loss 8 dB, Noise Figure 7.5 dB. Tags: Drop-In, Double Balanced Mixer. More details for DB0418HW6 can be seen below.